| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kaiya, Saitama (皆谷) | 355-0376 |
| Postal/ZIP Codes in Mido, Saitama (御堂) | 355-0375 |
| Postal/ZIP Codes in Okusawa, Saitama (奥沢) | 355-0373 |
| Postal/ZIP Codes in Others, Saitama (その他) | 355-0300 |
| Postal/ZIP Codes in Ouchizawa, Saitama (大内沢) | 355-0371 |
| Postal/ZIP Codes in Sakamoto, Saitama (坂本) | 355-0372 |
| Postal/ZIP Codes in Shiroishi, Saitama (白石) | 355-0377 |
| Postal/ZIP Codes in Yasudo, Saitama (安戸) | 355-0374 |